004
WWUS76 KLOX 081749
NPWLOX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1049 AM PDT TUE SEP 8 2026
CAZ362-366>373-548-092200-
/O.NEW.KLOX.XH.W.0007.260909T1500Z-260911T0300Z/
/O.EXT.KLOX.HT.Y.0016.000000T0000Z-260909T1500Z/
MALIBU COAST-LOS ANGELES COUNTY BEACHES-PALOS VERDES HILLS-LOS
ANGELES COUNTY INLAND COAST INCLUDING DOWNTOWN LOS ANGELES-
WESTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA-EASTERN SANTA
MONICA MOUNTAINS RECREATIONAL AREA-CALABASAS AND AGOURA HILLS-
WESTERN SAN FERNANDO VALLEY-EASTERN SAN FERNANDO VALLEY-LOS
ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF LA CANADA FLINTRIDGE, NORTHRIDGE, CULVER
CITY, VAN NUYS, CHATSWORTH, NORWALK, PASADENA, REDONDO BEACH,
SUNLAND, BURBANK, POMONA, SAN GABRIEL, EL MONTE, WESTLAKE VILLAGE,
LONG BEACH, LAX, EAST LOS ANGELES, DOWNEY, COMPTON, HOLLYWOOD,
BEVERLY HILLS, MALIBU BOWL, WOODLAND HILLS, SANTA MONICA, TOPANGA,
UNIVERSAL CITY, MALIBU, RANCHO PALOS VERDES, PACIFIC PALISADES,
MALIBU LAKE, GLENDALE, AND TORRANCE
1049 AM PDT TUE SEP 8 2026
..HEAT ADVISORY NOW IN EFFECT UNTIL 8 AM PDT WEDNESDAY
...EXTREME HEAT WARNING IN EFFECT FROM 8 AM WEDNESDAY TO 8 PM PDT
THURSDAY...
* WHAT...TEMPERATURES BETWEEN 92 AND 108 EXPECTED.
* WHERE...CALABASAS AND AGOURA HILLS, EASTERN SAN FERNANDO VALLEY,
EASTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA, LOS ANGELES
COUNTY BEACHES, LOS ANGELES COUNTY INLAND COAST INCLUDING DOWNTOWN
LOS ANGELES, LOS ANGELES COUNTY SAN GABRIEL VALLEY, MALIBU COAST,
PALOS VERDES HILLS, WESTERN SAN FERNANDO VALLEY, AND WESTERN SANTA
MONICA MOUNTAINS RECREATIONAL AREA.
* WHEN...FOR THE HEAT ADVISORY, UNTIL 8 AM PDT WEDNESDAY. FOR THE
EXTREME HEAT WARNING, FROM 8 AM WEDNESDAY TO 8 PM PDT THURSDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS. HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...HUMID CONDITIONS WILL ADD TO HEAT DISCOMFORT.
HEAT PEAKING ON WEDNESDAY FOR MOST AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
STAY COOL, STAY HYDRATED, STAY INFORMED.
CAZ038-088-340>358-374-375-092200-
/O.UPG.KLOX.HT.Y.0016.260909T1700Z-260911T0300Z/
/O.NEW.KLOX.XH.W.0007.260909T1500Z-260911T0300Z/
CUYAMA VALLEY-SANTA CLARITA VALLEY-SAN LUIS OBISPO COUNTY BEACHES-
SAN LUIS OBISPO COUNTY INLAND CENTRAL COAST-SANTA LUCIA MOUNTAINS-
SOUTHERN SALINAS VALLEY-SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-
SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY CENTRAL
COAST BEACHES-SANTA BARBARA COUNTY INLAND CENTRAL COAST-SANTA
YNEZ VALLEY-SANTA BARBARA COUNTY SOUTHWESTERN COAST-SANTA BARBARA
COUNTY SOUTHEASTERN COAST-SANTA YNEZ MOUNTAINS WESTERN RANGE-
SANTA YNEZ MOUNTAINS EASTERN RANGE-SANTA BARBARA COUNTY INTERIOR
MOUNTAINS-VENTURA COUNTY BEACHES-VENTURA COUNTY INLAND COAST-LAKE
CASITAS-OJAI VALLEY-CENTRAL VENTURA COUNTY VALLEYS-SOUTHEASTERN
VENTURA COUNTY VALLEYS-SANTA SUSANA MOUNTAINS-
INCLUDING THE CITIES OF OJAI, LOPEZ LAKE, SANTA MARIA, LOS OLIVOS,
PASO ROBLES, NEWBURY PARK, BUELLTON, MOORPARK, HEARST CASTLE, LAKE
CASTAIC, SAN MIGUEL, CAMBRIA, IRISH HILLS, PORT HUENEME, SHANDON,
CALIENTE RANGE, ARROYO GRANDE, SOLVANG, SANTA CLARITA, SANTA
MARGARITA LAKE, CRESTON, MONTECITO HILLS, PIRU, VANDENBERG SPACE
FORCE BASE, VENTURA, OAT MOUNTAIN, SANTA YNEZ, CARPINTERIA, SANTA
PAULA, LAKE NACIMIENTO, EAST VENTURA, REFUGIO STATE BEACH, MEINERS
OAKS, NEWHALL, LA PANZA RANGE, NEW CUYAMA, SAN LUIS OBISPO,
MONTECITO, BIG PINE MOUNTAIN, OXNARD, POINT MUGU, CARRIZO PLAIN,
PISMO BEACH, LAKE CACHUMA, SAN MARCOS PASS, FIGUEROA MOUNTAIN,
THOUSAND OAKS, ATASCADERO, EL CAPITAN STATE BEACH, FILLMORE, SIMI
VALLEY, AVILA BEACH, GAVIOTA, JALAMA BEACH, SANTA BARBARA, TEMPLETON,
CAMARILLO, LOMPOC, OAK VIEW, MORRO BAY, GOLETA, VALENCIA, NIPOMO, AND
SAN RAFAEL MOUNTAIN
1049 AM PDT TUE SEP 8 2026
...EXTREME HEAT WARNING IN EFFECT FROM 8 AM WEDNESDAY TO 8 PM PDT
THURSDAY...
* WHAT...TEMPERATURES OF 88 TO 108 EXPECTED.
* WHERE...CALABASAS AND AGOURA HILLS, EASTERN SAN FERNANDO VALLEY,
EASTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA, LOS ANGELES
COUNTY BEACHES, LOS ANGELES COUNTY INLAND COAST INCLUDING DOWNTOWN
LOS ANGELES, LOS ANGELES COUNTY SAN GABRIEL VALLEY, MALIBU COAST,
PALOS VERDES HILLS, WESTERN SAN FERNANDO VALLEY, AND WESTERN SANTA
MONICA MOUNTAINS RECREATIONAL AREA
* WHEN...FROM 8 AM WEDNESDAY TO 8 PM PDT THURSDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS. HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...HUMID CONDITIONS WILL ADD TO HEAT DISCOMFORT.
HEAT PEAKING ON WEDNESDAY FOR MOST AREAS, EXCEPT LIKELY PEAKING
THURSDAY FOR THE SANTA BARBARA SOUTH COAST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
CAZ087-092200-
/O.NEW.KLOX.XH.W.0007.260909T1500Z-260911T0300Z/
CATALINA AND SANTA BARBARA ISLANDS-
INCLUDING THE CITIES OF AVALON
1049 AM PDT TUE SEP 8 2026
...EXTREME HEAT WARNING IN EFFECT FROM 8 AM WEDNESDAY TO 8 PM PDT
THURSDAY...
* WHAT...TEMPERATURES OF 88 TO 100 EXPECTED.
* WHERE...CATALINA AND SANTA BARBARA ISLANDS.
* WHEN...FROM 8 AM WEDNESDAY TO 8 PM PDT THURSDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...HUMID CONDITIONS WILL ADD TO HEAT DISCOMFORT.
HEAT PEAKING ON WEDNESDAY FOR MOST AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
STAY COOL, STAY HYDRATED, STAY INFORMED.
RAT
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